ВЛИЯНИЕ ЭФФЕКТОВ УЛЬТРАЗВУКА НА СВОЙСТВА БИОДЕГРАДИРУЕМОГО ПОЛИМЕРА, НА ОСНОВЕ КАРТОФЕЛЬНОГО КРАХМАЛА

Irina Yu. Potoroko; Aram V. Tsaturov; Artem V. Malinin; Alena A. Ruskina; Uday Bagale; Masimzhan T. Velyamov

Authors

Irina Yu. Potoroko South Ural State University, Chelyabinsk
Aram V. Tsaturov South Ural State University, Chelyabinsk
Artem V. Malinin South Ural State University, Chelyabinsk
Alena A. Ruskina South Ural State University, Chelyabinsk
Uday Bagale South Ural State University, Chelyabinsk
Masimzhan T. Velyamov Kazakh Research Institute of Processing and Food Industry (Republic of Kazakhstan, Almaty)

Keywords:

biodegradable film, potato starch, biodegradable polymer, ultrasonic treatment, cooling system, packaging.

Abstract

The purpose of the research was to study the properties of composite biopolymers obtained from potato starch. Nowadays this issue is of great scientific interest all over the world due to the problem of traditional plastics disposal and its harmful effects on the environment, which are constantly growing from year to year. The application of biopolymers based on various kinds of starches including potato starch is interesting because this feedstock is nearly unlimited and is constantly renewed. However, us-ing starch-based biopolymers for the production of disposable houseware or packaging is restricted by certain difficulties connected with its further usage. The main drawback is increased moisture absorp-tion: with the increase of starch content the fragility of a biodegradable film increases. Thus for solving these problems we changed the ratio of the biopolymer constituents which were exposed to ultrasonic treatment in a cooling system in order to obtain biodegradable films with improved deformation and mechanical characteristics. In order to obtain a biodegradable water-soluble film from the mixture of starch and additional film-forming substance, sodium alginate, we added there a plasticizer – glycerin. The test samples of composite polymers were exposed to ultrasound using an acoustic source of elastic oscillations (“Volna”, UZTA-0,4/22-ОM), with a frequency of 22 ± 1,65 kHz and maximum power of 400 W. The results of the tests have shown that a film obtained from the mixture of starch and sodium alginate and exposed to ultrasound in the optimal mode has the lowest resistance to molds which proves its biodegradability.

Author Biographies

Irina Yu. Potoroko, South Ural State University, Chelyabinsk

Doctor of Sciences (Engineering), Professor of the Department of Food Technology and Biotechnology

Aram V. Tsaturov, South Ural State University, Chelyabinsk

Master’s Degree Student at the Department of Food Technology and Biotechnology

Artem V. Malinin, South Ural State University, Chelyabinsk

Master’s Degree Student at the Department of Food Technology and Biotechnology

Alena A. Ruskina, South Ural State University, Chelyabinsk

Senior Academic at the Department of Food Technology and Biotechnology

Uday Bagale, South Ural State University, Chelyabinsk

Doctor of Philosophy, Department of Chemical Engineering, National Institute of Technology (Warangal, Telangana State, India)

Masimzhan T. Velyamov, Kazakh Research Institute of Processing and Food Industry (Republic of Kazakhstan, Almaty)

Doctor of Sciences (Biotechnology), Professor; Head of the Laboratory

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